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BOSTON MARATHON 2025

Aaron Belowich

Bib: 30196•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:02
Rank: #23712
Start → 5K
29:02 | 9:21/mi
10K· 6.21 mi
57:29
Rank: #23386 (+326)
5K → 10K
28:27 | 9:09/mi
15K· 9.32 mi
1:25:56
Rank: #23179 (+207)
10K → 15K
28:27 | 9:09/mi
20K· 12.43 mi
1:56:23
Rank: #23338 (-159)
15K → 20K
30:27 | 9:48/mi
Half· 13.11 mi
2:03:03
Rank: #23395 (-57)
20K → Half
6:40 | 9:46/mi
25K· 15.53 mi
2:28:24
Rank: #23567 (-172)
Half → 25K
25:21 | 10:27/mi
30K· 18.64 mi
3:05:38
Rank: #24132 (-565)
25K → 30K
37:14 | 11:59/mi
20M
3:21:10
Rank: #24133 (-1)
30K → 20M
15:32 | 11:26/mi
21M
3:34:26
Rank: #24257 (-124)
20M → 21M
13:16 | 13:16/mi
35K· 21.75 mi
3:43:21
Rank: #24334 (-77)
21M → 35K
8:55 | 11:55/mi
23M
3:58:32
Rank: #24425 (-91)
35K → 23M
15:11 | 12:08/mi
24M
4:09:26
Rank: #24392 (+33)
23M → 24M
10:54 | 10:54/mi
40K· 24.85 mi
4:19:06
Rank: #24379 (+13)
24M → 40K
9:40 | 11:18/mi
25.2M
4:23:01
Rank: #24336 (+43)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:33:30
Rank: #24323 (+13)
25.2M → Finish
10:29 | 10:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:03
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:30:27
Pace11:29 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4229:029:2129:02
9:21
-
10K
6.21 mi12:24:0957:299:1528:27
9:09
-0:12
15K
9.32 mi12:52:361:25:569:1328:27
9:09
0:00
20K
12.43 mi13:23:031:56:239:2230:27
9:48
+0:39
Half
13.11 mi13:29:432:03:039:236:40
9:46
-0:02
25K
15.53 mi13:55:042:28:249:3325:21
10:27
+0:41
30K
18.64 mi14:32:183:05:389:5737:14
11:59
+1:32
20M
20.00 mi14:47:503:21:1010:0315:32
11:26
-0:33
21M
21.00 mi15:01:063:34:2610:1313:16
13:16
+1:50
35K
21.75 mi15:10:013:43:2110:168:55
11:55
-1:21
23M
23.00 mi15:25:123:58:3210:2215:11
12:08
+0:13
24M
24.00 mi15:36:064:09:2610:2410:54
10:54
-1:14
40K
24.85 mi15:45:464:19:0610:259:40
11:18
+0:24
25.2M
25.20 mi15:49:414:23:0110:263:55
11:21
+0:03
Finish
26.22 mi16:00:104:33:3010:2610:29
10:17
-1:04

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:09 /mi

Average Pace

10:26 /mi

Slowest Pace

13:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:32

49% of race

Time at Steady Pace

1:05:22

24% of race

Time at Slower Pace

1:14:36

27% of race

Average Pace: 10:26 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:55:4229:029:2129:02
9:21
#23712
10K
6.21 mi12:24:0957:299:1528:27
9:09
#23386
15K
9.32 mi12:52:361:25:569:1328:27
9:09
#23179
20K
12.43 mi13:23:031:56:239:2230:27
9:48
#23338
Half
13.11 mi13:29:432:03:039:236:40
9:46
#23395
25K
15.53 mi13:55:042:28:249:3325:21
10:27
#23567
30K
18.64 mi14:32:183:05:389:5737:14
11:59
#24132
20M
20.00 mi14:47:503:21:1010:0315:32
11:26
#24133
21M
21.00 mi15:01:063:34:2610:1313:16
13:16
#24257
35K
21.75 mi15:10:013:43:2110:168:55
11:55
#24334
23M
23.00 mi15:25:123:58:3210:2215:11
12:08
#24425
24M
24.00 mi15:36:064:09:2610:2410:54
10:54
#24392
40K
24.85 mi15:45:464:19:0610:259:40
11:18
#24379
25.2M
25.20 mi15:49:414:23:0110:263:55
11:21
#24336
Finish
26.22 mi16:00:104:33:3010:2610:29
10:17
#24323
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23712141111411122695(Top 80%)13694(Top 85%)13694(Top 243%)
10K6.21 mi3.10 mi23386+32613966+14513966+14523029(Top 81%)13818(Top 86%)13818(Top 245%)
15K9.32 mi3.11 mi23179+20713886+8013886+8022695(Top 80%)13694(Top 85%)13694(Top 243%)
20K12.43 mi3.11 mi23338-15913972-8613972-8623764(Top 84%)14122(Top 88%)14122(Top 250%)
Half13.11 mi0.68 mi23395-5713994-2213994-2224295(Top 86%)14363(Top 89%)14363(Top 255%)
25K15.53 mi2.42 mi23567-17214042-4814042-4824281(Top 85%)14318(Top 89%)14318(Top 254%)
30K18.64 mi3.11 mi24132-56514272-23014272-23025573(Top 90%)14795(Top 92%)14795(Top 262%)
20M20.00 mi1.36 mi24133-114242+3014242+3024421(Top 86%)14178(Top 88%)14178(Top 251%)
21M21.00 mi1.00 mi24257-12414291-4914291-4925391(Top 89%)14566(Top 90%)14566(Top 258%)
35K21.75 mi0.75 mi24334-7714319-2814319-2825739(Top 91%)14699(Top 91%)14699(Top 261%)
23M23.00 mi1.25 mi24425-9114344-2514344-2525297(Top 89%)14476(Top 90%)14476(Top 257%)
24M24.00 mi1.00 mi24392+3314318+2614318+2623770(Top 84%)13704(Top 85%)13704(Top 243%)
40K24.85 mi0.85 mi24379+1314309+914309+923775(Top 84%)13653(Top 85%)13653(Top 242%)
25.2M25.20 mi0.35 mi24336+4314280+2914280+2921678(Top 76%)12635(Top 78%)12635(Top 224%)
Finish26.22 mi1.02 mi24323+1314257+2314257+2323757(Top 84%)13647(Top 85%)13647(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22695

Males

13694

M18-39

13694

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23029

Males

13818

M18-39

13818

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22695

Males

13694

M18-39

13694

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23764

Males

14122

M18-39

14122

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24295

Males

14363

M18-39

14363

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24281

Males

14318

M18-39

14318

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25573

Males

14795

M18-39

14795

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24421

Males

14178

M18-39

14178

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25391

Males

14566

M18-39

14566

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25739

Males

14699

M18-39

14699

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25297

Males

14476

M18-39

14476

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23770

Males

13704

M18-39

13704

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23775

Males

13653

M18-39

13653

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21678

Males

12635

M18-39

12635

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23757

Males

13647

M18-39

13647

Passing Analysis

Category:
Athletes Passed
1304
Passed By
1915
Net Change
-611
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23712
5K → 10K435109+326#23712#23386
10K → 15K29689+207#23386#23179
15K → 20K110269-159#23179#23338
20K → Half2077-57#23338#23395
Half → 25K74246-172#23395#23567
25K → 30K30595-565#23567#24132
30K → 20M7879-1#24132#24133
20M → 21M26150-124#24133#24257
21M → 35K1491-77#24257#24334
35K → 23M34125-91#24334#24425
23M → 24M6128+33#24425#24392
24M → 40K3825+13#24392#24379
40K → 25.2M452+43#24379#24336
25.2M → Finish4330+13#24336#24323
TOTALS13041915-611
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing